In [1]:
# we use functions to use repetetive tasks by defining functions

#I would like to define a factorial function so that I can use it all over my code
def factorial(n):
    f = 1
    for i in range(1,n+1):
        f=f*i
    print(f) #this would print the value of the facotrial but we cannot exploit the value in the code if we want
In [2]:
factorial(4)
factorial(5)
factorial(100)

24
120
93326215443944152681699238856266700490715968264381621468592963895217599993229915608941463976156518286253697920827223758251185210916864000000000000000000000000
In [3]:
factorial(23)

25852016738884976640000
In [4]:
def factorial(n):
    f = 1
    for i in range(1,n+1):
        f=f*i
    return f #this will help us to use this value and do something more with it
In [6]:
a = 6*factorial(3)
print(a)

36
In [9]:
b = factorial(9)/100
print(b)

3628.8
In [11]:
c= factorial(5)*factorial(7)
print(c)

604800
In [ ]: